/*
 * Copyright (c) 2023 OceanBase.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.oceanbase.odc.service.onlineschemachange.fsm;

/**
 * state transfer
 * 
 * @author longpeng.zlp
 * @date 2024/7/5 17:40
 * @since 4.3.1
 */
public interface StateTransfer<Context extends ActionContext, ActionResult> {
    /**
     *
     * @param currentState current state has done
     * @param result input from {@link Action#execute}
     * @param context context of FSM
     * @return next state to handle. May change or stay
     */
    String translateToNewState(String currentState, ActionResult result, Context context);
}
